MiLAN MIL-RCM16A Specifiche Scaricare il pdf (Pagina 74)

11921 Slauson Ave. Santa Fe Springs, CA. 90670 (800) 227-4116 FAX (888) 771-7713

PLATFORM WILL NOT RAISE, MOTOR RUNS

TROUBLESHOOTING - GRAVITY DOWN

3. Check the high pressure relief

valve (FIGS. 74-1 and 74-2) for

contamination or defective operation.

Lower the platform to the ground.

Remove the relief valve. Clean or

replace valve as required.

4. Adjust relief valve operating pressure

according to PUMP RELIEF VALVE

PRESSURE SETTING procedure.

1. Check the hydraulic ﬂ uid level in the reservoir.

2. Check for bent parts on the Liftgate that could interfere with normal operation. Look at

columns, runners, and tandem rollers.

WARNING

Make sure Liftgate platform is open

and resting on the ground before per-

forming the following step.

NOTE: For dual pump system, check sec-

ondary pump and motor ﬁ rst.

 GRAVITY DOWN LIFTGATES: Lower the platform to the ground. Clean dirt and ﬂ uid

from top of reservoir in pump box. Fill the reservoir to correct level indicated on sight

glass (pump box).

 POWER DOWN LIFTGATES: Raise the platform to bed height. Fill the reservoir to

correct level indicated on sight glass (pump box).

ACCESS TO PRESSURE

RELIEF VALVE

COVER

ACCESS TO PRESSURE

RELIEF VALVE

CHECKING PRESSURE RELIEF VALVE

(GRAVITY DOWN PUMP IS SHOWN

FROM UNIT WITH HOSES)

FIG. 74-1

CHECKING PRESSURE RELIEF VALVE

(GRAVITY DOWN PUMP IS SHOWN

FROM UNIT WITH STEEL LINES)

FIG. 74-2

1 2 ... 69 70 71 72 73 74 75 76 77 78 79 ... 85 86

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MiLAN MIL-RCM16A Specifiche Pagina 74